Spain lists documents required for foreigners seeking permanent residency. Spain: Documents Required for PR ApplicationApplicants must bring both the original and a copy of several documents at the time of submission. Proof of residenceA third requirement applies in certain cases: proof of the specific circumstances under which the right to permanent residency was obtained. Spain's rules also extend permanent residency rights to family members of EU citizens already residing in the country. Once an EU citizen acquires permanent residency, their family members living with them in Spain are entitled to the same status.